[Review] Slime Taoshite 300-nen: Shiranai Uchi ni Level Max ni Nattemashita. The Slime Taoshite 300-nen, Shiranai Uchi ni Level Max ni Nattemashita anime is the newest 2021 Isekai anime. The anime will premiere on April 10, 2021.

The Slime Taoshite 300-nen, Shiranai Uchi ni Level Max ni Nattemashita anime is an isekai anime played by an office worker. This anime is a very interesting, Overpowered, and immortal MC who plays a hero in a new world by defeating Slimes for the last 300 years.

Synopsis Slime Taoshite

Azusa Aizawa used to be an overworked female employee until she died young at the age of 27 because she was tired from working in the office. The employee’s spirit then meets the Goddess who allows her to start a new life in another world. Tired of his old life, Aizawa chooses to be reborn as an immortal wizard who is ageless and can live his life in peace. After spending 300 years in his world by only killing slimes, Aizawa unconsciously has now become a powerful magician who reaches the maximum level. Will Aizawa be able to live his leisurely life after rumors about his abilities start to spread?


Type: TV

Episodes: 12

Status: Finished Airing

Aired: Apr 10, 2021, to Jun 26, 2021

Premiered: Spring 2021

Broadcast: Saturdays at 21:00 (JST)

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Studios: Revoroot

Source: light novels

Genres: Comedy, Fantasy, Slice of Life

Duration: 23 min. per ep.


Shiranai Uchi ni Level Max ni Nattemashita: Tells the story of an office worker who dies due to overwork. After his death, he was allowed to live again in the New World with a God-given Immortal Skill.

Azusa is blessed by the gods with eternal life in her new world. Azusa has a goal to live without work and enjoy every second of her life. However, things didn’t turn out the way he wanted, Azusa had to work hard by killing slimes and working in the fields to make a living.

Every day, Azusa has been killing Slimes for the past 300 years. As a result, He gained level 99 and Skill Stats skilled in magic. In addition, he also helps the community by providing medicinal herbs every day. So during those 300 years, he used it to kill Slimes and help the townspeople by giving herbal medicines.

After 300 years have passed, Azusa’s life begins with becoming a witch who is famous for her powers. Even the strongest Dragon became his Disciple.

Will Azusa’s life get easier???? To get the answer. Watch the anime Slime Taoshite 300-nen, Shiranai Uchi ni Level Max ni Nattemashita.

Slime Taoshite

Seiyuu and Staff

-Ari Ozawa as as Vania
-Miku Itou as Fatla
-Hikaru Toono as Eno
-Ayasa Itou as Bussler
-Miyuri Shimabukuro as Maasula
-Kotori Koiwai as Nail
-Aoi Yuuki as Azusa
-Kaede Hondo as Raika
-Sayaka Harada as Halkara
-Azumi Waki ​​as Flatorte
-Minami Tanaka as Shalsha
-Sayaka Senbongi as Falfa
-Manami Numakura as Beelzebub
-Riho Sugiyama as Rosalie

Anime Staff:

Director: Nobukage Kimura (assistant director of Kimi no Iru Machi)
Series Composition: Tatsuya Takahashi (Toji no Miko)
Character Designer: Keisuke Goto (Fate Grand Order: First Order)
Character Sub-Designer: Emi Honda (Citrus)
Art Designer: Ken Naito (Seitokai Yakuindomo)
Color Designer: Satoshi Takezawa (Medaka Box)
Cinematographer: Mikami Souta (Kimi no Suizou o Tabetai)
Sound Director: Satoshi Motoyama (Little Busters!)
Sound Production: Studio Mausu (Kara no Kyoukai)
Music Composer: Inai Keiji (Rewrite)
Music Production: Nippon Columbia
Animation Studio: Revoroot (Babylon, FLCL Alternative)

Review Slime Taoshite

Anime Slime Taoshite 300-nen, Shiranai Uchi ni Level Max ni Nattemashita is one of the anime that feels so fun this season. At the beginning of the episode, the anime’s story briefly touched on the issue of overworking that also happened to the main character. After going through the intro that was shown briefly and concisely, the fun element in this anime was finally felt.

Like in other isekai (or narou-Kei) themed anime, the Slime Taoshite 300-nen anime presents an excellent OP (overpowered) protagonist in the figure of Azusa Aizawa. But slightly different from the other series, Aizawa was surprised and tried to avoid the spotlight of his villagers because of his OP status. This is the source of the comedy in this series and it is successfully executed so that the various jokes feel right on target. Of course, this is also reinforced by the presence of the figure of Aizawa whose character feels relatable, especially for viewers who feel tired of being too busy in the real world.

At the end of the episode, we also meet Laika, the dragon girl who had become Aizawa’s “sparring” opponent. Judging from the chemistry, it seems that Laika and Aizawa’s relationship will be one of the spices that color the story of the Slime Taoshite 300-nen anime. In addition, there might be many other potential stories that this anime has (including the issue of overworking which was mentioned again when Aizawa tried to repair Aizawa’s house) that would make the story even more enjoyable and perhaps also touching.

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